12
Servicing should only be performed by a Qualified Service Technician
VENTING TABLES FOR CATEGORY 1
–
TYPE B GAS VENT
Multiple Gas Fired Tank-Type Heaters
When venting multiple Category 1 tank type
heaters using Type B vent pipe, follow the
installation tables below which give sizing and
data based upon NFPA 54 ANSI Z223.1.
MODEL BTN-120
Input: 120,000 Btu/hr
Total Vent Height (Feet)
Vent Connector Size: 5 inches
6
8
10
15
20
30
50
100
Input Btu/hr
Rise
Vent Connector Diameter (Inches)
120,000
1 Ft.
6
6
5
5
5
5
5
5
120,000
2 Ft.
5
5
5
5
5
5
5
5
120,000
3 Ft.
5
5
5
5
5
5
5
5
Number of Heaters
Combined Input (Btu/hr)
Manifold and Common Vent Diameters (Inches)
2
240,000
7
7
7
6
6
6
6
6
3
360,000
8
8
8
7
7
7
6
6
4
480,000
9
9
9
8
8
7
7
7
MODEL BTN-154, BTR-151
Input: 150,000/ 154,000 Btu/hr
Total Vent Height (Feet)
Vent Connector Size: 6 inches
6
8
10
15
20
30
50
100
Input Btu/hr
Rise
Vent Connector Diameter (Inches)
150,000/ 154,000
1 Ft.
6
6
6
6
6
6
6
6
150,000/ 154,000
2 Ft.
6
6
6
6
6
6
6
6
150,000/ 154,000
3 Ft.
6
6
6
6
6
6
6
6
Number of Heaters
Combined Input (Btu/hr)
Manifold and Common Vent Diameters (Inches)
2
300,000/ 308,000
8
8
7
7
7
6
6
6
3
450,000/ 462,000
9
9
9
8
8
7
7
7
4
600,000/ 616,000
12
10
10
9
9
8
8
7
MODEL BTN-180, BTN-199, BTN-199C, BTN-200; BTR-201
Input: 180,000/ 182,000 and 199,000 Btu/hr
Total Vent Height (Feet)
Vent Connector Size: 6 inches
6
8
10
15
20
30
50
100
Input Btuh/hr
Rise
Vent Connector Diameter (Inches)
180,000/ 182,000
1 Ft.
7
7
6
6
6
6
6
6
199,000
7
7
7
6
6
6
6
6
180,000/ 182,000
2 Ft.
6
6
6
6
6
6
6
6
199,000
7
7
6
6
6
6
6
6
180,000/ 182,000
3 Ft.
6
6
6
6
6
6
6
6
199,000
6
6
6
6
6
6
6
6
Number of Heaters
Combined Input (Btu/hr)
Manifold and Common Vent Diameters (Inches)
2
360,000
8
8
8
7
7
7
6
6
364,000
9
8
8
7
7
7
6
6
398,000
9
8
8
8
7
7
7
6
3
540,000
10
9
9
9
8
8
7
7
546,000
10
10
9
9
8
8
7
7
597,000
10
10
10
9
9
8
8
7
4
720,000
12
12
10
10
9
9
8
8
728,000
12
12
12
10
9
9
8
8
796,000
12
12
12
10
10
9
9
8
Summary of Contents for BTR 201
Page 2: ......
Page 36: ...34 Servicing should only be performed by a Qualified Service Technician WIRING DIAGRAM ...
Page 37: ...35 Servicing should only be performed by a Qualified Service Technician NOTES ...
Page 38: ...36 Servicing should only be performed by a Qualified Service Technician NOTES ...
Page 39: ...37 Servicing should only be performed by a Qualified Service Technician NOTES ...